OC12W-8C
Key Features:
  • 12" (304mm), Cast Aluminum Woofer
  • 8 ohm, 100 watts
  • 40 oz Ferrite magnet, Polypropylene cone with rubber surround;

Primary Specifications

Speakers Environment Outdoor
ROHS Compliant No

Technical Specifications

UNIT of MEASURE
Nominal Basket Diameter 12.0 / 304.0 inch / mm
Rated Impedance 8 ohms
Rated Power 100.0 Watts
Program Power 200 Watts
Frequency Range 25 - 1,500 Hz
Sensitivity
(2.83 V input measured at 1 Meter)
91 dB SPL
Voice Coil Diameter 2.0 / 50.8 inch / mm
Magnet Weight 38.0 / 1079 oz / gr
Transformer

Small Signal Parameters

UNIT of MEASURE
Resonant Frequency (fo) 28 Hz
D.C. Resistance (Re) 6.2 ohms
Mechanical Q (Qms) 12.4
Electrical Q (Qes) 0.39
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 135.5 ltr
BL Product (BL) 16.2 T-M
Maximum Linear Excursion (Xmax) 7.7 mm
Surface Area of Cone (Sd) 531.0 cm2
Moving Mass (Mmd) g

Material Descriptions

 
Basket Cast Aluminum
Terminal Size Gold Terminal Posts
Magnet Ferrite
Voice Coil Wire Copper
Voice Coil Form Kapton
Cone Black Talc Filled Polypropylene
Cone Edge Rubber
Dust Cap Plastic
http://s3.amazonaws.com/misco/curves/OC12W-8C.JPG
ID Description Measurements Tolerance
OD Outside Diameter 12.3 in. +/- 0.040”
CD Cutout Diameter 11.0 in. +/- 0.030”
MG Magnet Diameter 5.3 in. +/- 0.050”
HD Hole Diameter 0.25 in. +/- 0.020”
MD Mounting Diameter 11.7 in. +/- 0.020”
ID Internal Depth 5.0 in. Maximum
FT Flange Thickness 0.37 in. +/- 0.050”
NW Net Weight 4458.0 g
ceramic